If 1 John and 2 John were works of doctrine, then 3 John is a pastoral care letter.
I have no greater joy than to hear that my children are walking in the truth. – 3 John 1: 4
John is concerned that some church leaders had lost their humility and charity. He praises some, but has harsh words for others.
Dear friend, do not imitate what is evil but what is good. Anyone who does what is good is from God. Anyone who does what is evil has not seen God. – 3 John 1:11
Again, a short book (only one verse longer than 2 John), but a powerful one.
Walk in truth, children.
Imitate good, not evil.
For this is of God.
Read the rest of the Bible in Haiku by going here.